/
test_async_flushing.rb
195 lines (149 loc) · 5.79 KB
/
test_async_flushing.rb
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require File.expand_path('../setup', File.dirname(__FILE__))
module TestLogging
module TestAppenders
class TestAsyncFlushing < Test::Unit::TestCase
include LoggingTestCase
def setup
super
@appender = Logging.appenders.string_io \
'test_appender',
:flush_period => 2
@appender.clear
@sio = @appender.sio
@levels = Logging::LEVELS
begin readline rescue EOFError end
Thread.pass # give the flusher thread a moment to start
end
def teardown
@appender.close
@appender = nil
super
end
def test_flush_period_set
assert_equal 2, @appender.flush_period
assert_equal Logging::Appenders::Buffering::DEFAULT_BUFFER_SIZE, @appender.auto_flushing
@appender.flush_period = '01:30:45'
assert_equal 5445, @appender.flush_period
@appender.flush_period = '245'
assert_equal 245, @appender.flush_period
@appender.auto_flushing = true
assert_equal Logging::Appenders::Buffering::DEFAULT_BUFFER_SIZE, @appender.auto_flushing
@appender.auto_flushing = 200
assert_equal 200, @appender.auto_flushing
end
def test_async_flusher_running
flusher = @appender.instance_variable_get(:@async_flusher)
assert_instance_of Logging::Appenders::Buffering::AsyncFlusher, flusher
sleep 0.250 # give the flusher thread another moment to start
assert flusher.waiting?, 'the async flusher should be waiting for a signal'
end
def test_append
event = Logging::LogEvent.new('TestLogger', @levels['warn'],
[1, 2, 3, 4], false)
@appender.append event
@appender.append event
event.level = @levels['debug']
event.data = 'the big log message'
@appender.append event
assert_nil(readline)
sleep 3
assert_equal " WARN TestLogger : <Array> #{[1, 2, 3, 4]}\n", readline
assert_equal " WARN TestLogger : <Array> #{[1, 2, 3, 4]}\n", readline
assert_equal "DEBUG TestLogger : the big log message\n", readline
assert_nil(readline)
@appender.close
assert_raise(RuntimeError) {@appender.append event}
end
def test_flush_on_close
assert_equal false, @sio.closed?
assert_equal false, @appender.closed?
event = Logging::LogEvent.new('TestLogger', @levels['warn'],
[1, 2, 3, 4], false)
@appender.flush_period = "24:00:00"
@appender.append event
event.level = @levels['debug']
event.data = 'the big log message'
@appender.append event
assert_nil(readline)
@appender.close_method = :close_write
@appender.close
assert_equal false, @sio.closed?
assert_equal true, @appender.closed?
assert_equal " WARN TestLogger : <Array> #{[1, 2, 3, 4]}\n", readline
assert_equal "DEBUG TestLogger : the big log message\n", readline
assert_nil(readline)
@sio.close
assert_equal true, @sio.closed?
end
def test_auto_flushing
@appender.auto_flushing = 3
event = Logging::LogEvent.new('TestLogger', @levels['warn'],
[1, 2, 3, 4], false)
@appender.append event
@appender.append event
event.level = @levels['debug']
event.data = 'the big log message'
@appender.append event
event.level = @levels['info']
event.data = 'just FYI'
@appender.append event
event.level = @levels['warn']
event.data = 'this is your last warning!'
@appender.append event
assert_equal " WARN TestLogger : <Array> #{[1, 2, 3, 4]}\n", readline
assert_equal " WARN TestLogger : <Array> #{[1, 2, 3, 4]}\n", readline
assert_equal "DEBUG TestLogger : the big log message\n", readline
assert_nil(readline)
sleep 3
assert_equal " INFO TestLogger : just FYI\n", readline
assert_equal " WARN TestLogger : this is your last warning!\n", readline
assert_nil(readline)
end
def test_setting_flush_period_to_nil
flusher = @appender.instance_variable_get(:@async_flusher)
assert_instance_of Logging::Appenders::Buffering::AsyncFlusher, flusher
@appender.flush_period = nil
assert_nil @appender.instance_variable_get(:@async_flusher)
end
def test_setting_negative_flush_period
assert_raise(ArgumentError) { @appender.flush_period = -1 }
end
def test_async_writes
@appender.auto_flushing = 3
@appender.flush_period = nil
@appender.async = true
event = Logging::LogEvent.new('TestLogger', @levels['warn'],
[1, 2, 3, 4], false)
flusher = @appender.instance_variable_get(:@async_flusher)
assert_instance_of Logging::Appenders::Buffering::AsyncFlusher, flusher
@appender.append event
sleep 0.250
assert_nil(readline)
event.level = @levels['debug']
event.data = 'the big log message'
@appender.append event
sleep 0.250
assert_nil(readline)
event.level = @levels['info']
event.data = 'just FYI'
@appender.append event # might write here, might not
sleep 0.250 # so sleep a little to let the write occur
assert_equal " WARN TestLogger : <Array> #{[1, 2, 3, 4]}\n", readline
assert_equal "DEBUG TestLogger : the big log message\n", readline
assert_equal " INFO TestLogger : just FYI\n", readline
event.level = @levels['warn']
event.data = 'this is your last warning!'
@appender.append event
assert_nil(readline)
@appender.close_method = :close_write
@appender.close
assert_equal " WARN TestLogger : this is your last warning!\n", readline
assert_nil @appender.instance_variable_get(:@async_flusher)
end
private
def readline
@appender.readline
end
end
end
end